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Finding the Fourth Proportional to 93.33, 128.82 and 60.59

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Solution

The fourth proportional to 93.33, 128.82 and 60.59 is: 83.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.33 : 128.82 = 60.59 : x
  2. Step 2: Convert to fraction form
    93.33/128.82 = 60.59/x
  3. Step 3: Cross multiply
    93.33x = 128.82 × 60.59
  4. Step 4: Simplify right side
    93.33x = 7,804.56
  5. Step 5: Solve for x
    x = 7,804.56/93.33
  6. Step 6: Final answer
    x = 83.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.